Contoured headboard



FIG. 1 is a perspective view of a contoured headboard, showing my new design; the broken lines are for environmental purposes only and form no part of the claimed design;

FIG. 2 is left side view thereof;

FIG. 3 is right side view thereof;

FIG. 4 is front view thereof;

FIG. 5 is back view thereof;

FIG. 6 is top view thereof; and,

FIG. 7 is bottom view thereof. 

The ornamental design for a contoured headboard, as shown and described. 